Home / 1,131,602.73-1,561,580.62-622,305.11

Finding the Fourth Proportional to 1,131,602.73, 1,561,580.62 and 622,305.11

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Solution

The fourth proportional to 1,131,602.73, 1,561,580.62 and 622,305.11 is: 858,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,602.73 : 1,561,580.62 = 622,305.11 : x
  2. Step 2: Convert to fraction form
    1,131,602.73/1,561,580.62 = 622,305.11/x
  3. Step 3: Cross multiply
    1,131,602.73x = 1,561,580.62 × 622,305.11
  4. Step 4: Simplify right side
    1,131,602.73x = 971,779,590,139.30
  5. Step 5: Solve for x
    x = 971,779,590,139.30/1,131,602.73
  6. Step 6: Final answer
    x = 858,763.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.